Northern Airborne Technology AA39 - Manual (Page 6)

AA39 Series Headset Adapter
SM43 Installation and Operation Manual
Section 1 Rev: 1.00 Issue 4 Page 1-3
ENG-FORM: 800-0113.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
1.4.2 Physical Specifications
AA39-075 AA39-087 AA39-187 AA39-287
Height
1.25” (32 mm) max 1.25” (32 mm) max 1.75” (45 mm) max 1.75” (45 mm) max
Depth 2.66” (67 mm) max 2.66” (67 mm) max 2.60” (66 mm) max 2.60” (66 mm) max
Width 4.50” (114 mm) max 4.50” (114 mm) max 4.50” (114 mm) max 4.50” (114 mm) max
Weight 0.25 lbs. (115 g) max 0.25 lbs. (115 g) max 0.44 lbs. (200 g) max 0.61 lbs. (277 g) max
Mounting Four 10-32 screws
Material/Finish Chassis & cover are 5052-H32 brushed aluminum with chromate
conversion finish
Connectors (-075, -087) One male 9-pin D-subminiature connector with screw jacks
(-187, -287) One filtered male 37-pin D-subminiature connector with
Positronics V5 locking tabs
1.4.3 Environmental Specifications - AA39-187 and AA39-287 only
DO-160C Env. Cat. [C4D1]-BA[MN]XXXXXXAXXXBTXXXX
Operating Temperatures -40
° C to +70° C
Survival Temperatures -55
° C to +85° C
Vibration/Shock DO-160C Cat. M/N
Humidity 95% @
≥ RH for 48 hrs
Altitude 50,000 ft. Max.
Temperature Variation
± 5° C/min
Operational Shock and Operational: 6 g for 11 ms in all axes
Crash Safety Crash Safety (Impulse) 15 g for 11 ms in all axes
Crash Safety (Sustained) 12 g for 3 s in all axes
1.5 Unit Nomenclature
AA39-075
Military to general aviation mic adaptor
75
Ω Mid-Z mic interface (ELNO)
1 mic input - 850
μVrms into 75 Ω
1 mic output - 250 mVrms into 150
Ω
Powered by mic bias.
AA39-087
Military to general aviation mic adaptor
5
Ω Lo-Z mic interface (M87/M101)
1 mic input - 250
μVrms into 5 Ω
1 mic output - 250 mVrms into 150
Ω
Powered by mic bias.